EntityQ2753232· pop 5· linked from 4 articlesLandé interval ruleSign in to saverule in atomic physicsConnectionsangular momentum couplingEntityUnited StatesCountryatomEntityInternational Standard Book NumberEntityatomic numberEntityGermansEntitymomentumEntitymagnetismEntityatomic physicsEntityproportionalityEntitylinear combinationEntityhyperfine structureEntityAlfred LandéEntitytotal angular momentum quantum numberEntityCategoriesAtomic physics